Standard Abrasives Quick Change TR Surface Conditioning FE Disc 840482, 3 in MED, 25 per inner 250 per case The Standard Abrasives Quick Change Surface Conditioning FE Disc saves time preparing workpieces for final finishes and coatings by performing one-step prep workA reliable choice for edgework, some of its best uses include deburring and blendingFE material is an outstanding performer for flats and edgework when high contact pressure and stock removal are required. Product Information Brand 3M Part # 7000046739 Diameter 3 Inch Grade Medium Origin Country USA Product Type Roloc Product InformationAluminum oxide on FE material provides high initial and extended cut rateAvailable in brown, coarse-grade maroon, medium-grade and blue, very fine gradeDesigned for blending and deburring on ferrous metals, stainless steel, and high nickel/chrome alloysEasy fastening and swapping of quick change discs enhances tool efficiency and worker productivityHigh edge durability and flexibilityMost efficient on ferrous materials when high contact pressure and stock removal are requiredOpen web responds to surface irregularities and minimizes gouging of the part